Calculate the Hydronium Ion Concentration in an Aqueous Solution with a PH

question 42

Multiple Choice

Calculate the hydronium ion concentration in an aqueous solution with a pH of 9.85 at 25 °C.

• A) 7.1 × 10^-5 mol L^-1
• B) 4.2 × 10^-10 mol L^-1
• C) 8.7 × 10^-10 mol L^-1
• D) 6.5 × 10^-5 mol L^-1
• E) 1.4 × 10^-10 mol L^-1

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Definitions:

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, which acts as a cushion protecting the central nervous system.

Subarachnoid Space

The subarachnoid space is a cavity filled with cerebrospinal fluid (CSF) located between the arachnoid membrane and the pia mater surrounding the brain and spinal cord, serving as a cushioning layer.

Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain, conducting sensory and motor nerve impulses to and from the brain to the body.

Cervical

Relating to the cervix in the context of the female reproductive system or the neck region in the context of anatomy.